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Wrong Oil? #5409673 04/21/20 04:55 PM
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montereykeys Offline OP
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Hi, I am new to the forum and am looking for a bit of advice. I have a Country Clipper Edge with a Hydro Gear ZT 2800 transmission. I have just changed the transmission oil after the first 100 hours operation. It was originally filled with 20-50 oil. For reasons best known to my brain I have put in 10-30 oil instead of the recommended 20-50 oil. I just grabbed the wrong container without thinking. Anyway my question is should I drain out the 10-30 oil and replace with the correct 20-50? Will operating the mower with 10-30 oil harm the transmission? My other problem is the oil filters are not readily available where I live so can I just flush out the new ones I used with the 10-30 oil and put them back in? Appreciate any help I can get.

Re: Wrong Oil? [Re: montereykeys] #5409704 04/21/20 05:37 PM
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philipp10 Offline
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I would change the oil. As far as the filter, you don't need to flush, just drain and reuse.

Re: Wrong Oil? [Re: philipp10] #5409749 04/21/20 06:40 PM
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dave123 Offline
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Originally Posted by philipp10
I would change the oil. As far as the filter, you don't need to flush, just drain and reuse.
this +1 you should be fine pull filter empty make sure gaskets good reuse fill with 20w50. I have same hydro ZT 2800 on a SCAG and would do the same if I f’d up. It happens

Re: Wrong Oil? [Re: philipp10] #5409852 04/21/20 08:34 PM
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tundraotto Offline
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Originally Posted by philipp10
I would change the oil. As far as the filter, you don't need to flush, just drain and reuse.


^this

use 20W-50, (Castrol GTX 20W-50 is factory fill) - or Mobil1 15W-50 (works great on ZT-2800 and up)

Re: Wrong Oil? [Re: montereykeys] #5409886 04/21/20 09:28 PM
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dinofish Offline
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I don't think you will do any damage with that oil, just maybe it will burn more.

Re: Wrong Oil? [Re: montereykeys] #5409912 04/21/20 10:05 PM
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Gebo Offline
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I'd change the transmission oil. I'd swap the filter if I could. What 20-50 you gonna use?

Or, me being a little crazy, I'd just change the oil and run it a few hours and then change it again. Leave filter in place. Yep,
that's how I would do it.


'98 LEX LS400 310K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 75K

Shell Gas and Truck 5w-30
Amsoil OE 10w-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: Wrong Oil? [Re: montereykeys] #5409993 04/22/20 04:09 AM
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dave123 Offline
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So people understand ro drain pumps filter must be pulled as that is I the drain plug .

Re: Wrong Oil? [Re: montereykeys] #5410002 04/22/20 04:46 AM
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dlundblad Online Happy
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Change it.


03 Jeep WJ 4.0 208k
02 Volvo S60 2.4T 199k
97 Chevy Blazer 4.3 175k
04 Audi A4 3.0 210k

Re: Wrong Oil? [Re: montereykeys] #5410004 04/22/20 04:49 AM
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passgas55 Offline
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I changed oil in mine about 2 months ago. Dump the 10/30 and go with either a 20/50 dino or 15/50 Mobil 1. I went with Mobil 1.
I would reuse the filters again making sure the gaskets on them are good which they should be unless you way over tighten them.
If in doubt change out to new filters. Much cheaper than the cost of new ZT2800.

Re: Wrong Oil? [Re: passgas55] #5410515 04/22/20 05:17 PM
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montereykeys Offline OP
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Thanks for all the advice. Decided to take the safe option and change the oil and filters.

Re: Wrong Oil? [Re: montereykeys] #5411070 04/23/20 09:38 AM
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spk2000 Offline
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I have a snapper LT300 garden tractor that has Tuff Torq K57 transmission. Not as good as yours but climbs my steep grades very respectably. However it eventually won't climb and I have to replace the fluid. I was using Mobil1 15W50 and it gets very thin and dirty after 25-30 hours. I am on a pretty rugged hill. Anyways I switched to the Amsoil Hydrostatic fluid only a partial change and have more than 50 hours on it and still going strong. These transmissions get very hot and break down oil fast especially under load so use a very high quality synthetic to prevent the thermal breakdown.


96 Grand Marquis 203,000 mi
01 Sable LS Wagon 163,000 mi
02 Montero 191,000 mi
03 Sable LS Sedan 73,000 mi
Re: Wrong Oil? [Re: spk2000] #5411169 04/23/20 11:43 AM
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dinofish Offline
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Originally Posted by spk2000
I have a snapper LT300 garden tractor that has Tuff Torq K57 transmission. Not as good as yours but climbs my steep grades very respectably. However it eventually won't climb and I have to replace the fluid. I was using Mobil1 15W50 and it gets very thin and dirty after 25-30 hours. I am on a pretty rugged hill. Anyways I switched to the Amsoil Hydrostatic fluid only a partial change and have more than 50 hours on it and still going strong. These transmissions get very hot and break down oil fast especially under load so use a very high quality synthetic to prevent the thermal breakdown.

By thin you mean it burns off?

Re: Wrong Oil? [Re: spk2000] #5411400 04/23/20 04:26 PM
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dave123 Offline
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Originally Posted by spk2000
I have a snapper LT300 garden tractor that has Tuff Torq K57 transmission. Not as good as yours but climbs my steep grades very respectably. However it eventually won't climb and I have to replace the fluid. I was using Mobil1 15W50 and it gets very thin and dirty after 25-30 hours. I am on a pretty rugged hill. Anyways I switched to the Amsoil Hydrostatic fluid only a partial change and have more than 50 hours on it and still going strong. These transmissions get very hot and break down oil fast especially under load so use a very high quality synthetic to prevent the thermal breakdown.

Excellent choice I also had great results and better feel on my ZT28000 hydros with the Amsoil.

Last edited by dave123; 04/23/20 04:27 PM.
Re: Wrong Oil? [Re: dinofish] #5411402 04/23/20 04:29 PM
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dave123 Offline
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Originally Posted by dinofish
Originally Posted by spk2000
I have a snapper LT300 garden tractor that has Tuff Torq K57 transmission. Not as good as yours but climbs my steep grades very respectably. However it eventually won't climb and I have to replace the fluid. I was using Mobil1 15W50 and it gets very thin and dirty after 25-30 hours. I am on a pretty rugged hill. Anyways I switched to the Amsoil Hydrostatic fluid only a partial change and have more than 50 hours on it and still going strong. These transmissions get very hot and break down oil fast especially under load so use a very high quality synthetic to prevent the thermal breakdown.

By thin you mean it burns off?


No!

Re: Wrong Oil? [Re: dave123] #5411798 04/24/20 07:19 AM
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spk2000 Offline
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Originally Posted by dave123
Originally Posted by dinofish
Originally Posted by spk2000
I have a snapper LT300 garden tractor that has Tuff Torq K57 transmission. Not as good as yours but climbs my steep grades very respectably. However it eventually won't climb and I have to replace the fluid. I was using Mobil1 15W50 and it gets very thin and dirty after 25-30 hours. I am on a pretty rugged hill. Anyways I switched to the Amsoil Hydrostatic fluid only a partial change and have more than 50 hours on it and still going strong. These transmissions get very hot and break down oil fast especially under load so use a very high quality synthetic to prevent the thermal breakdown.

By thin you mean it burns off?


No!


No it turns to water like consistency loses viscosity. Looks like a muddy thin water very dirty and definitely does not resemble oil any longer probably why it stops working.


96 Grand Marquis 203,000 mi
01 Sable LS Wagon 163,000 mi
02 Montero 191,000 mi
03 Sable LS Sedan 73,000 mi
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